Home / 31,791.04-43,857.93-19,208.50

Finding the Fourth Proportional to 31,791.04, 43,857.93 and 19,208.50

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Solution

The fourth proportional to 31,791.04, 43,857.93 and 19,208.50 is: 26,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,791.04 : 43,857.93 = 19,208.50 : x
  2. Step 2: Convert to fraction form
    31,791.04/43,857.93 = 19,208.50/x
  3. Step 3: Cross multiply
    31,791.04x = 43,857.93 × 19,208.50
  4. Step 4: Simplify right side
    31,791.04x = 842,445,048.41
  5. Step 5: Solve for x
    x = 842,445,048.41/31,791.04
  6. Step 6: Final answer
    x = 26,499.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.